From 8d8f8b75a7c585413ffcda4e0104fa9124b352ff Mon Sep 17 00:00:00 2001
From: hunjixin <1084400399@qq.com>
Date: Wed, 27 Apr 2022 11:05:11 +0800
Subject: [PATCH] support bigger blob

---
 src/backend/mysql/table.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/backend/mysql/table.rs b/src/backend/mysql/table.rs
index 9e4546e2b..a0418134c 100644
--- a/src/backend/mysql/table.rs
+++ b/src/backend/mysql/table.rs
@@ -78,7 +78,19 @@ impl TableBuilder for MysqlQueryBuilder {
                 ColumnType::Date => "date".into(),
                 ColumnType::Interval(_, _) => "unsupported".into(),
                 ColumnType::Binary(length) => match length {
-                    Some(length) => format!("binary({})", length),
+                    Some(length) => {
+                        if *length <= 255 {
+                            format!("binary({})", length)
+                        } else if *length <= 65535 {
+                            //64KiB
+                            "blob".into()
+                        } else if *length <= 16777215 {
+                            //16MiB
+                            "mediumblob".into()
+                        } else {
+                            "longblob".into() //longblob max to 4294967295 4GiB but this limit can be config
+                        }
+                    }
                     None => "blob".into(),
                 },
                 ColumnType::Boolean => "bool".into(),